33940684823 has 2 divisors, whose sum is σ = 33940684824. Its totient is φ = 33940684822.

The previous prime is 33940684783. The next prime is 33940684829. The reversal of 33940684823 is 32848604933.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33940684823 - 2¹⁸ = 33940422679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33940684829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16970342411 + 16970342412.

It is an arithmetic number, because the mean of its divisors is an integer number (16970342412).

Almost surely, 2^33940684823 is an apocalyptic number.

33940684823 is a deficient number, since it is larger than the sum of its proper divisors (1).

33940684823 is an equidigital number, since it uses as much as digits as its factorization.

33940684823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 33940684823 in words is "thirty-three billion, nine hundred forty million, six hundred eighty-four thousand, eight hundred twenty-three".